As other's have mentioned, 80% of a good paint finnish, lies in what is actulaly under the paint.
Even a show quality paint job is only micrograms thick, everything is in the preparation of the surface to be painted.
Ive spend months prepairing bodys for painting and then just a day painting them, all to get a really sharp looking paint job.
Im no golden gun, but like many on here if your willing to put in the labour and hard yards in, sanding and preping, youll save a mint and ive managed to produce some very cool paint jobs even using metalic and iridesent 2 stage laquer paints.
So shop around, have a think about doing at least some of it yourself and go to it.
Best of luck and dont forget to post some pics on here.